Advertisement
Both BST and Norstar Doorphones can be installed on Norstar systems
with a maximum of four Norstar Doorphones on any system.
Up to 54 Doorphones can be installed on Norstar Modular systems. For
example, 50 BST Doorphones and 4 Norstar Doorphones.
Up to 20 Doorphones can be installed on Norstar Compact systems.
For example, 16 BST Doorphones and 4 Norstar Doorphones.
Up to 7 Doorphones can be installed on a Norstar 3x8 system.
Environment
Check the following environment requirements:
Temperature
Relative humidity
Background noise
Opening the package
Along with this guide, make sure the package contains:
• BST Doorphone unit with a surface mount bracket
• two gaskets
• BST Doorphone User Card
-35° to 60°C (31° – 140°F)
5% to 95% non-condensing
up to 70 dBA
2
Advertisement
